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Finding the Fourth Proportional to 11,616.73, 17,425.10 and 4,219.81

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Solution

The fourth proportional to 11,616.73, 17,425.10 and 4,219.81 is: 6,329.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,616.73 : 17,425.10 = 4,219.81 : x
  2. Step 2: Convert to fraction form
    11,616.73/17,425.10 = 4,219.81/x
  3. Step 3: Cross multiply
    11,616.73x = 17,425.10 × 4,219.81
  4. Step 4: Simplify right side
    11,616.73x = 73,530,590.13
  5. Step 5: Solve for x
    x = 73,530,590.13/11,616.73
  6. Step 6: Final answer
    x = 6,329.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.